Aromatic Hydrocarbons – Worksheet #5 Chemical structure IUPAC Name 1. Cl Cl Cl 2. O2 N O2 N O2 N 3. H3C O2 N 4. Cl Cl OH Cl Cl 5. p-nitrophenol 6. 2,3-dibromo-5-chloro nitrobenzene 7. Consider the following structure representing a benzene molecule substituted with a number of different groups. (A, B, C, D, E and F). A F B E C D State whether the following pairs of groups are ortho, meta or para to each other. a) b) c) d) e) B&D F&C E&F A&C B&E f) F & B g) B & C h) F & A i) E & C